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    x86/fpu: Optimize fpu__unlazy_stopped() · 8694c3e7
    Ingo Molnar 提交于
    This function is only called for stopped child tasks, so the
    fpu__save() branch will never get called - remove it.
    Reviewed-by: NBorislav Petkov <bp@alien8.de>
    Cc: Andy Lutomirski <luto@amacapital.net>
    Cc: Dave Hansen <dave.hansen@linux.intel.com>
    Cc: Fenghua Yu <fenghua.yu@intel.com>
    Cc: H. Peter Anvin <hpa@zytor.com>
    Cc: Linus Torvalds <torvalds@linux-foundation.org>
    Cc: Oleg Nesterov <oleg@redhat.com>
    Cc: Peter Zijlstra <peterz@infradead.org>
    Cc: Thomas Gleixner <tglx@linutronix.de>
    Signed-off-by: NIngo Molnar <mingo@kernel.org>
    8694c3e7
i387.c 15.7 KB